function obre(myUrl,am,al,nom){
	  var ampla = am;
	  var altura = al;
	  strURL = myUrl;
	  poshoritz = (screen.width) ? (screen.width-ampla)/2 : 0;
	  posvert = (screen.height) ? (screen.height-altura)/2 : 0;
	  strW = 'toolbar=0,directories=0,location=0,status=no,menubar=0,resizable=0,copyhistory=0,scrollbars=1,width='+ ampla + ',height='+ altura + ',top='+ posvert + ',left='+ poshoritz;
	  eval("window.open('" + strURL + "',nom,'" + strW + "')");
	}




function escriu_flash(archivo,ancho,alto) // tutorial by IVI CONCEPT - www.ivi-concept.com
  {
  var version="7,0,0,0"; // version del flash player
  var quality="high"; // calidad de visualización de la peli
  var bgcolor="#ffffff"; // color de fondo de la peli
  // --fin parametros--------------------------------------------------
document.write('<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version='+version+'" width='+ancho+' height='+alto+'>\n');
document.write('<param name="movie" value='+archivo+' />\n');
document.write('<param name="quality" value='+quality+'>\n');
document.write('<param name="bgcolor" value='+bgcolor+'>\n');
document.write('<embed src='+archivo+' bgcolor='+bgcolor+' quality='+quality+' pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width='+ancho+' height='+alto+'></embed>');
document.write('</object>\n');
}

var p;
var q;

function inici(p) {	
	var elems = document.getElementsByName('m'+p);
	if (elems.length > 0)
		eval("document.m"+p+".src=m"+p+"_on.src");
	return true;
}

function marca_on(q) {

if (pag!=q){
eval("document.m"+q+".src=m"+q+"_over.src");
return true;
}
}

function marca_of(q) {
eval("document.m"+q+".src=m"+q+"_of.src");
inici(pag);
}

function comencar(){
for (i=1;i<5;i++){
eval("m"+i+"_on=new Image()");
eval("m"+i+"_on.src = 'img/menu/m"+i+"_on.gif'");
eval("m"+i+"_of=new Image()");
eval("m"+i+"_of.src = 'img/menu/m"+i+"_of.gif'");
eval("m"+i+"_over=new Image()");
eval("m"+i+"_over.src = 'img/menu/m"+i+"_on.gif'");

}}



function getObject(objname)
{    
    var obj = null ;
    if (document.getElementById) {
        obj = document.getElementById(objname) ;
    } else {
        if (document.all) {
            obj = document.all[objname] ;
            }
        }

    return obj ;
}
 function ShowHideBlock(nom) {
 	var capa ;
	capa = getObject(nom) ;
	if (capa) {
		if (arguments.length==2) {
			//explicit mode
			if (arguments[1]) capa.style.display="block" ;
			else capa.style.display="yes" ;
		} else {
			//toggle mode
			if (capa.style.display!="block") capa.style.display="block";
			else capa.style.display="yes";
			}
		}
	}
	function HideBlock(nom) {
 	var capa ;
	capa = getObject(nom) ;
	if (capa) {
		if (arguments.length==2) {
			//explicit mode
			//if (arguments[1]) capa.style.display="block" ;
			//else
			capa.style.display="none" ;
		} else {
			//toggle mode
			//if (capa.style.display!="block") capa.style.display="block";
			//else 
			capa.style.display="none";
			}
		}
	}